Home / 51,264.83-70,750.35-31,117.09

Finding the Fourth Proportional to 51,264.83, 70,750.35 and 31,117.09

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Solution

The fourth proportional to 51,264.83, 70,750.35 and 31,117.09 is: 42,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,264.83 : 70,750.35 = 31,117.09 : x
  2. Step 2: Convert to fraction form
    51,264.83/70,750.35 = 31,117.09/x
  3. Step 3: Cross multiply
    51,264.83x = 70,750.35 × 31,117.09
  4. Step 4: Simplify right side
    51,264.83x = 2,201,545,008.48
  5. Step 5: Solve for x
    x = 2,201,545,008.48/51,264.83
  6. Step 6: Final answer
    x = 42,944.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.